HEART attack symptoms include chest pain and headaches. Following this weight loss diet plan could leave dieters at a higher risk of developing a myocardial infarction (the scientific name for a heart attack), and could even lead to deadly heart failure, scientists have claimed.

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“Earlier studies had linked diets high in protein - especially from animal sources - with increased risks of type 2 diabetes and even death.”

Scientist Heli Virtanen added: “As this is one of the first studies reporting on the association between dietary protein and heart failure risk, more research is needed before we know whether moderating protein intake may be beneficial in the prevention of heart failure.”

Research into whether people should cut back on the amount of protein in their diet is also a topic for future exploration, the scientists have revealed.

The American Heart Association suggests eating a wide range of foods to form a healthy, balanced diet; including protein.